Answer:
Before Mount Everest was discovered, what was the highest mountain on Earth?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around
It has the biggest wall and is also used when drinking tea.
Handy when you need to measure something or run a kingdom.
Cut the wrong wire and it goes boom
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.